Fixing device for windows and doors



FIG. 1 is a Perspective view of a fixing device for windows and doors showing my new design;

FIG. 2 is a Front elevational view thereof;

FIG. 3 is a Rear elevational view thereof;

FIG. 4 is a Right side view thereof;

FIG. 5 is a Left side view thereof;

FIG. 6 is a Bottom plan view thereof; and,

FIG. 7 is a Top plan view thereof.

The broken lines in the drawing depict portions of the fixing device for windows and doors that form no part of the claimed design. 

CLAIM The ornamental design for a fixing device for windows and doors, as shown and described. 